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It is _______ he often fails in exams ______ makes his parents worried about him.

    A. what； that              B. that； what

    C. that； that              D. / ； that

____ that caused him to serve dinner an hour later than usual.

    A. It was we being late                 B. It was our being late

    C. It was we were too late              D. It was because we were late

The old building, behind _______ was a famous church, was _______ we used to work.

    A. that, the place         B. it, the place      C. which, where            D. what, where

On Sundays there were a lot of children playing in the park, _______ parents sat together joking.

    A. their               B. whose      C. which               D. that

The buses, most of _______ were already full, were surrounded by an angry crowd.

    A. that                 B. it      C. them                 D. which

Electricity, like other forms of ______, has greatly increased in price in recent years.

A. pressure     B. force

C. strength      D. energy

Jim is ______ person, and everyone is willing to be ______ with him.

A. so kind a, friends      B. so a kind, friends

C. so kind a, friend D. so a kind, friend

 “What were you trying to prove to the police？”  “___ I was last night.”

    A. That               B. When

    C. Where              D. What

. “Mike is not coming to the football game this afternoon.” “It’s a shame！ He _______！”

    A. promises B. promised

    C. will promise  D. had promised

They won’t buy any new clothes because they _____ money to buy a new car.

    A. save                 B. were saving

    C. have saved           D. are saving